English, asked by khanrazia439, 4 months ago

simplify the following expressions
1.(5+√5)(5-√5)

Answers

Answered by dasbarasha196

1

ans :

(5+√5)(5-√5)

=5(5-√5)+√5(5-√5)

=25-5√5+5√5-5

=25-5-5√5+5√5

=20

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